Electrical Cable

Boat Safety Scheme - Electrical Cable specifications and condition

Are all electrical cables insulated?

All electrical cables must be insulated (this applies to both a.c. and d.c. cables).

Are battery cables of a sufficient current‐carrying capacity?

The following cables must be approximately 25mm²: battery to master switch; battery or master switch to starter solenoid; battery to battery; engine return to battery or master switch; battery to bow thruster motor; battery to anchor winch motor; battery to inverter system (over 1000w size).

Are all cables free of damage or deterioration?

All cables must be free of: signs of overheating; signs of damage or deterioration, such as broken cable strands, chafing, or heat damage.

Insulation and sheathing must show no signs of damage or deterioration caused by a reaction with water or fuel.